CN216256261U - Office chair with dependence angle adjusting function - Google Patents

Abstract

The utility model relates to an office chair with a function of adjusting depending on an angle, and belongs to the technical field of office chairs. Its mainly angular adjustment to the back of the chair that can realize to current office chair, the problem that the headrest can't be adjusted on the back of the chair provides following technical scheme, including bottom plate and seat angle regulator, the bottom of bottom plate is provided with the support frame, and the front and the back of support frame all are provided with the handrail, and the right side of bottom plate is connected with the back of the chair through seat angle regulator, and the top of the back of the chair is provided with the headrest, the top of the back of the chair is provided with the recess, and the cavity that is located on the back of the chair is seted up to the below of recess, and the inside sliding connection of cavity has the slide. According to the utility model, through the combination of various structures, the backrest of the device not only has the angle adjustment function, but also can be used for telescopically adjusting the headrest on the backrest, so that a user can conveniently set the head in the using process, and the use experience of the user is improved.

Description

Office chair with dependence angle adjusting function

Technical Field

The utility model relates to the technical field of office chairs, in particular to an office chair with a function of depending on angle adjustment.

Background

Office chairs are very wide in daily use, and most of the existing office chairs are designed in a fixed mode and an adjustable mode. For example: the prior Chinese patent with the publication number of CN108553712A discloses a multifunctional transfusion chair with a heating device, which comprises a bottom plate, a chair back, chair legs, a chair angle regulator, an electric push rod and an electric push rod movable hinge, the dead lever, fixed axle activity hinge, the handrail, the infusion jib intubate, the back of the chair sets up in bottom plate one side, seat angle regulator sets up in back of the chair and bottom plate junction, chair leg and the perpendicular fixed connection of bottom plate, electric putter sets up respectively in the bottom plate both sides, the dead lever sets up respectively in the bottom plate both sides, the inside heating resistor silk that is equipped with of handrail, every handrail inboard is equipped with ascending button in proper order, the decline button, the heating opens and stops the button, the handrail passes through electric putter activity hinge swing joint with electric putter, the handrail passes through fixed axle activity hinge swing joint with the dead lever, infusion jib intubate and the laminating fixed connection of a chair leg. Although the adjustable office chair can realize the angle adjustment of the chair back, the length of the chair back is fixed, so that after the chair back is adjusted, the head of a user is in a suspended state in the use process of the user, and the use experience of the user is reduced.

Therefore, how to handle the office chair is a technical problem which needs to be solved by the technicians in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an office chair with a function of depending on angle adjustment, aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: the utility model provides an office chair with rely on angle modulation function, includes bottom plate and seat angle modulation ware, the bottom of bottom plate is provided with the support frame, and the front and the back of support frame all are provided with the handrail, and the right side of bottom plate is connected with the back of the chair through seat angle modulation ware, and the top of the back of the chair is provided with the headrest, the top of the back of the chair is provided with the recess, and the cavity that is located on the back of the chair is seted up to the below of recess, and the inside sliding connection of cavity has the slide, and the top symmetry of slide is provided with the guide bar, and the top fixed connection of guide bar is on the headrest, sliding connection has the rack on the bottom inner wall of cavity, and the top of rack is equipped with the gear, installs the pivot in the gear, is provided with the pendulum rod in the pivot, and the one end that the pivot was kept away from to the pendulum rod articulates there is the vaulting pole, be provided with the casing on the front conch wall of the back of the chair, the inside of casing is provided with holds rope sheave and pull rod.

Preferably, a sliding groove is formed in the wall of the bottom shell of the cavity, a sliding block is connected to the inside of the sliding groove in a sliding mode, and the top of the sliding block is fixedly connected to the rack.

Preferably, a connecting seat is arranged on the rotating shaft, and the bottom of the connecting seat is fixedly connected to the inner wall of the bottom of the cavity.

Preferably, one end, far away from the swing rod, of the support rod is hinged to the sliding plate, a return spring is sleeved on the guide rod, the top end of the return spring is fixedly connected to the inner wall of the top of the cavity, and the bottom end of the return spring is fixedly connected to the sliding plate.

Preferably, the rope bearing wheel is rotatably connected to the inside of the shell through a transmission shaft, a through hole is formed in the bottom shell wall of the bottom plate, and a clamping groove located on the bottom shell wall of the shell is formed in the periphery of the through hole.

Preferably, the pull rod is connected in the through hole in a sliding mode, a bearing is sleeved on the pull rod, and a limiting block is fixedly connected to the peripheral wall of the bearing.

Preferably, a pull rope is wound on the rope bearing wheel, one end of the pull rope is bound on the pull rod, and the other end of the pull rope is bound on the rack.

Compared with the prior art, the utility model has the following beneficial technical effects:

make the back of this device not only possess angle adjustment's function through the combination of various structures, and this device can stretch out and draw back the regulation to the headrest on the back of the chair to convenience of customers can set off the head in the in-process of using, improves user's use and experiences the sense.

Drawings

FIG. 1 is a partial front view of an embodiment of the present invention;

FIG. 2 is a side view, partially in section, of the chair back of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;

fig. 4 is an enlarged view of a portion of the structure at B in fig. 2.

Reference numerals: 1. a base plate; 2. a support frame; 3. a seat angle adjuster; 4. a chair back; 5. a handrail; 6. a headrest; 7. a housing; 8. a guide bar; 9. a slide plate; 10. a rack; 11. a gear; 12. a swing rod; 13. a stay bar; 14. a rope bearing wheel; 15. a pull rod; 16. and a bearing.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the office chair with a function of adjusting depending on an angle provided by the utility model comprises a bottom plate 1 and a seat angle adjuster 3, wherein a support frame 2 is arranged at the bottom of the bottom plate 1, handrails 5 are arranged on the front surface and the back surface of the support frame 2, the right side of the bottom plate 1 is connected with a chair back 4 through the seat angle adjuster 3, a headrest 6 is arranged at the top of the chair back 4, a groove is arranged at the top of the chair back 4, a cavity positioned on the chair back 4 is arranged below the groove, a sliding plate 9 is slidably connected inside the cavity, guide rods 8 are symmetrically arranged at the top of the sliding plate 9, the top ends of the guide rods 8 are fixedly connected to the headrest 6, a rack 10 is slidably connected to the inner wall of the bottom of the cavity, a gear 11 is arranged above the rack 10, a rotating shaft is arranged on the gear 11, a swing rod 12 is arranged on the rotating shaft, and a support rod 13 is hinged to one end of the swing rod 12 away from the rotating shaft, the front shell wall of the chair back 4 is provided with a shell 7, and a rope bearing wheel 14 and a pull rod 15 are arranged inside the shell 7.

An office chair with a function of adjusting depending on an angle is based on the working principle that when a user adjusts the angle of a backrest of a chair, the angle of a chair back 4 is adjusted through a chair angle adjuster 3, after the angle adjustment of the chair back 4 is completed, the user pulls a pull rod 15 in the process of lying on the back to drive a pull rope to move so as to drive a rack 10 to move, the rack 10 is in meshing transmission with a gear 11 so as to drive a rotating shaft to rotate, the rotating shaft moves to enable a swing rod 12 to move, a support rod 13 drives a sliding plate 9 to move upwards through the movement of the swing rod 12, the sliding plate 9 moves to compress a return spring so as to enable a guide rod 8 to drive a headrest 6 to extend, and when the pull rod 15 is pulled to the maximum distance, a bearing 16 is rotated to adjust a limiting block on the bearing 16 so as to fix the position of the pull rod 15, the realization is fixed to the position after headrest 6 adjusts, convenience of customers's use, and when headrest 6 withdrawed, the user adjusted bearing 16 to the cancellation is spacing to pull rod 15, thereby realizes the recovery to headrest 6 under reset spring's effect.

Example two

As shown in fig. 2, compared with the first embodiment, the office chair with a function of adjusting depending on an angle provided by the present invention further includes: the bottom of cavity has been seted up the spout on the conch wall, and the inside sliding connection of spout has the slider, and the top fixed connection of slider is provided with the connecting seat in the pivot on rack 10, and the bottom fixed connection of connecting seat is on the bottom inner wall of cavity, and the one end that pendulum rod 12 was kept away from to vaulting pole 13 articulates on slide 9, and the cover is equipped with reset spring on the guide bar 8, and reset spring's top fixed connection is on the top inner wall of cavity, and reset spring's bottom fixed connection is on slide 9.

In this embodiment, the slide plate 9 is in a sliding connection movement mode inside the cavity, and the use of the return spring facilitates the recovery of the headrest 6.

EXAMPLE III

As shown in fig. 3-4, compared with the first embodiment or the second embodiment, the office chair with the function of adjusting the angle according to the present invention further includes: hold rope sheave 14 and rotate through the transmission shaft and connect in the inside of casing 7, seted up the through-hole on the bottom conch wall of bottom plate 1, seted up the draw-in groove that is located casing 7 bottom conch wall around the through-hole, pull rod 15 sliding connection is in the through-hole, and the cover is equipped with bearing 16 on the pull rod 15, fixedly connected with stopper on bearing 16's the perisporium, it has the stay cord to hold the winding on the rope sheave 14, the one end of stay cord is tied up on pull rod 15, and the other end of stay cord is tied up on rack 10.

In this embodiment, the housing 7 and the seat back 4 are both provided with holes, and the pull rope is tied to one end of the rack 10 and passes through the through hole.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims (7)

1. The utility model provides an office chair with rely on angle modulation function, includes bottom plate (1) and seat angle modulation ware (3), the bottom of bottom plate (1) is provided with support frame (2), and the front and the back of support frame (2) all are provided with handrail (5), and the right side of bottom plate (1) is connected with back of the chair (4) through seat angle modulation ware (3), and the top of back of the chair (4) is provided with headrest (6), its characterized in that: the utility model discloses a headrest structure, including back of the chair (4), the top of back of the chair (4) is provided with the recess, and the cavity that is located back of the chair (4) is seted up to the below of recess, and the inside sliding connection of cavity has slide (9), and the top symmetry of slide (9) is provided with guide bar (8), and the top fixed connection of guide bar (8) is on headrest (6), sliding connection has rack (10) on the bottom inner wall of cavity, and the top of rack (10) is equipped with gear (11), installs the pivot on gear (11), is provided with pendulum rod (12) in the pivot, and the one end that the pivot was kept away from in pendulum rod (12) articulates there is vaulting pole (13), be provided with casing (7) on the positive conch wall of back of the chair (4), the inside of casing (7) is provided with holds rope sheave (14) and pull rod (15).

2. An office chair with a function of depending on angle adjustment according to claim 1, wherein: a sliding groove is formed in the wall of the bottom of the cavity, a sliding block is connected to the inside of the sliding groove in a sliding mode, and the top of the sliding block is fixedly connected to the rack (10).

3. An office chair with a function of depending on angle adjustment according to claim 1, wherein: the rotating shaft is provided with a connecting seat, and the bottom of the connecting seat is fixedly connected to the inner wall of the bottom of the cavity.

4. An office chair with a function of depending on angle adjustment according to claim 1, wherein: one end, far away from the swing rod (12), of the support rod (13) is hinged to the sliding plate (9), a return spring is sleeved on the guide rod (8), the top end of the return spring is fixedly connected to the inner wall of the top of the cavity, and the bottom end of the return spring is fixedly connected to the sliding plate (9).

5. An office chair with a function of depending on angle adjustment according to claim 1, wherein: the rope bearing wheel (14) is rotatably connected inside the shell (7) through a transmission shaft, a through hole is formed in the wall of the bottom plate (1), and clamping grooves located in the wall of the bottom of the shell (7) are formed in the periphery of the through hole.

6. An office chair with a function of relying on angle adjustment according to claim 5, characterized in that: the pull rod (15) is connected in the through hole in a sliding mode, the pull rod (15) is sleeved with the bearing (16), and the limiting block is fixedly connected to the peripheral wall of the bearing (16).

7. An office chair with a function of depending on angle adjustment according to claim 1, wherein: a pull rope is wound on the rope bearing wheel (14), one end of the pull rope is bound on the pull rod (15), and the other end of the pull rope is bound on the rack (10).

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